Elerlulose ether wani fili ne mai polymer tare da tsarin ether da aka yi da selulose. Kowane gluosyl zobe a cikin sel macromelecule ya ƙunshi ƙungiyoyin hydroxyl guda uku, ƙungiyar hydroxyl a cikin carbon na carbon na biyu, kuma an maye gurbinsu ta hanyar hydrocarbon na ether na ether na ether.
Aikace-aikacen Cellulose ether
1. Gina Ciki Cellulose Eher
Elloche ether an san shi da "Masana'antu Monosodium Glutamate". Godiya ga kyakkyawan thickening, riƙewar ruwa da kuma hawan baya don inganta kuma inganta foda-mai hade da foda da sauran kayan aikin kayan gini. Godiya ga cigaba da matsayin na ƙasata, da saurin ci gaban kayan gini, da kuma kara bukatun kariyar muhalli na cin abinci wanda yake a fagen gina kayan da ba ta ion ba.
2
Cellulose ehers ana amfani da shi sosai a cikin mayafin fim, adenawa, fina-finai na magunguna, maganin shafawa, watsawa, kayan kwalliya, kayan lambu na kayan lambu. A matsayin kayan kasusuwa, ether ether yana da ayyukan tsawanta lokacin ƙwayoyi da haɓaka watsawa da rushewar ƙwayoyi da rushewa. A matsayina na capsule da shafi, zai iya guje wa lalata da haɗe-haɗe da kuma magance halayen, kuma shine mahimmancin albarkatun kasa don samar da magungunan magungunan magunguna. Aikace-aikacen fasaha na sel sel ether ya girma cikin ƙasashe masu tasowa.
3
Cellulose na Cellulose na abinci shine amintaccen abinci mai aminci. It can be used as a food thickener, stabilizer and moisturizer to thicken, retain water, and improve taste. Ana amfani dashi sosai a ƙasashe masu tasowa, galibi don yin kayan abinci, cregen casings, nama, biredi, nama da kuma sauran kayan furotin, nama da sauran abinci, da sauransu.
PRELLulose tsari samar samar da
1. Hydroxyethyl methylcelose
Hanyar shiri ta hydroxyethyl methylcellulose, hanya ita ce amfani da auduga a matsayin albarkatun ƙasa da ethylene oxide don shirya hydroxyethyl methylcellulose. Axtaukar nauyin albarkatun kasa don shirya hydroxyl pellulose sune kamar haka: 700-80 sassa na Sodius, 80-90 sassa na Sidium chloride, 16-19 sassa na methyl, 16-19 sassa na alamomin acetic acid; takamaiman matakai sune:
Mataki na farko, a cikin amsawa, ƙara Toluene da cakuda isopropannol, ruwa, da sodium hydroxide, ruwa har zuwa 6-40 minti;
Mataki na biyu, Alkalization: Cool na sama kayan zuwa 30-50mpa mai tsauri, foda zuwa 0.00mpta, cakuda nitrogen don maye gurbin abubuwa 3, kuma cika alkali bayan sauyawa. Alkalinization Yanayin yanayi sune: Lokaci na alkalization shine 2 hours, zazzabi mai zazzabi shine 30 ℃ 50 ℃;
Mataki na uku, EThataddifafawa: Bayan an gama alkyalization, mai mayar da martani wanda aka kara oxide da etvyl; Farkon mataki na EThersification: 40-60 ° C, 1.0-2 Awanni, an sarrafa matsin lamba tsakanin 0.150.3mpta; Matsayi na biyu na EThertification: 60 ~ 90 ℃, 2.0 ~ 2 2.5 ~ ~ end, an sarrafa matsi tsakanin 0.40.80.
Mataki na huɗu, tsaka-tsaki: ° Areated Ganyen Acetic acid a gaba zuwa na 72 ° C, da darajar PH shine 68 lokacin da aka gama darajar PH; An cika tankin da suke da yawa tare da 90 ℃ ~ 100 ℃ Ruwa ya yi amfani da ruwa mai juyawa ta hanyar na'urar osmosis na baya;
Mataki na biyar, centrifugal wanke: kayan a mataki na huɗu centrifuge ne ta hanyar ruwan wanki mai cike da ruwan zafi a gaba don wanke kayan abu;
Mataki na shida, Centrifugal bushewa: an isar da kayan da aka wanke a cikin bushewa ta hanyar kwance a kwance, kuma kayan da aka bushe a 150-170 ° C, da kuma kayan bushe da aka murƙushe kuma sun shirya.
Idan aka kwatanta da fasahar samuwar sel na ether na ether, sabuwar dabara ta ethylene oxide na Ethyl, wanda ke da kyawawan juriya na methyl saboda dauke da kungiyoyin Hydroxyl. Tana da kwanciyar hankali mai kyau kuma mildew juriya yayin ajiya na dogon lokaci. Ana iya amfani dashi maimakon wasu masu silin.
2. Hydroxypyl methylcelose
(1) Bi da kewayon auduga ko zaruruwa na katako tare da soda mai caustic, to, amsa tare da Mono-chlloromethane da propylene oployelene jere, sake fasalin;
(2) An samo shi ta hanyar kula da matsayin da ya dace na sel mai kyau na Sodium Hydroxide tare da Sodium Hydroxide tare da sodium hydroxide tare da madaidaicin matakin, kuma sake farfadowa da shi. A nauyin kwayar kwaya daga 10 000 zuwa 1 500 000.
Lokaci: Apr-07-2023